2014 · Q86
For the next two (2) items that follow: A toy is in the form of a cone mounted on the hemisphere with the same radius. The diameter of the base of the conical portion is 12 cm and its height is 8 cm. What is the volume of the toy?
Elementary MathematicsMensuration
- A180π cm³
- B240π cm³
- C300π cm³
- D320π cm³
Explanation
V = (1/3)π·36·8 + (2/3)π·216 = 96π + 144π = 240π cm³.